Engine Fuctions TRIZ Cases

Sandwiched distributor plates route hydraulic oil through end surface grooves, resolving axial size constraints while ensuring tight sealing.

Probabilistic control adjusts gas turbine operating conditions using exhaust energy and emissions measurements to align with nominal parameters.

Aircraft liquid hydrogen evaporator converts cryogenic fuel to gas using integrated heat exchange circuits.

A start-up assembly calculates a threshold speed to accelerate the rotor before engine ignition.

A switching valve health monitor detects position anomalies in gas turbine bleed systems to maintain pressurized air delivery.

A turbine seal support assembly uses a spring arrangement to hold seal segments in a retracted position against the rotor shaft.

Segmented cavities direct cooling air to critical zones, resolving insufficient flow distribution in high-temperature turbine blades.

A sprag clutch engages a swashplate pump during reverse fan shaft rotation, maintaining continuous lubricant flow to gearbox bearings during windmilling.

Split retention rings allow radial extraction of guide vanes, eliminating full fan disassembly and reducing maintenance downtime.

Radially spaced flow dividers create separate passages that minimize coolant flow separation from sidewalls, reducing thermal loads on airfoils.

A thrust reverser with oppositely rotating doors and a movable pivot point for efficient deployment.

A fan drive gear system provides speed reduction between a turbine and a fan using flexible mounts.

A metal laminated trailing edge connects to a ceramic matrix composite airfoil via a spur, reducing thermal stresses while maintaining structural stiffness.

A dual source cooling air shroud arrangement manages thermal conditions within a gas turbine engine seal segment.

Calibrates active clearance control systems using engine-specific squeeze tests to determine optimal tip gap settings.

Segmenting the fixation device into a basis and detached elements reduces material usage and manufacturing time while maintaining secure fastening.

A wind turbine blade root joint uses folded fiber rovings to form integrated connecting elements that distribute loads across the composite structure.

A wind turbine rotor blade segment connection kit uses a sleeve pressure piece and detachable assembly tool to join segments.

A scavenge port traps lubricant in a gearbox housing to protect gears during wind milling without active pumps.

A gas turbine bypass valve adjusts compressed air flow to manage rotor blade temperatures during operation.

A pivotally movable thrust reverser door manages bypass airflow direction and pressure ratios within an aircraft engine nacelle.

A wind turbine rotor blade integrates a heat exchanger between an air guide and the tip region to transfer thermal energy from heated air.

Accessory drive differential stabilizes output speed using epicyclic gear reduction, resolving fluctuations from variable spool inputs.

A reciprocating pulley system converts bidirectional linear motion into unidirectional rotational force for energy harvesting.

Flexible traction elements transmit torque while reducing installation space and vibration excitation in industrial gearboxes.

Segmented damping inlays within blade recesses reduce vibration-induced stresses without impeding cooling air flow or increasing weight.

A friction fitting coupling secures rotors via torque screws and a retaining ring without thermal processes.

A mechanical anchoring device uses volute springs and bevel gears to adjust anchor chain length automatically.

Segmented vertical turbines capture wasted vehicular wind energy while reducing maintenance complexity and bird collision risks.

A gas turbine heat management system routes lubricant cooling through distinct air and fuel pathways to optimize thermal dissipation.

A flexible endoscope uses a sliding capillary conduit to deliver penetrant testing products through narrow, non-straight passages in turbomachines.

A gas turbine bypass duct with a cooler duct burner prevents sand particle melting and clogging while maintaining peak efficiency.

Localized hot air vents in the blade cavity melt ice while minimizing weight and energy consumption.

A negative spring device reduces hydrostatic stiffness, increasing buoy oscillation amplitude and energy conversion efficiency.

Staggered pedestals and trip-strips inside hollow airfoils increase heat transfer surface area for gas turbine engines.

Angled vanes direct cooling fluid against channel walls to boost heat transfer efficiency in propulsion systems.

Bolted L-flanges mounted to interior walls connect vertical wind turbine tower sections, reducing welding distortion and accommodating manufacturing variations.

A gas-turbine rotor disk vibration damper separates mass and flexibility functions using a thin flexible plate and a separate counterweight.

Flexible beams in a fan drive gear bearing assembly maintain surface parallelism under load, resolving misalignment issues that reduce propulsive efficiency.

Recuperative closed-cycle arrangement captures exhaust heat to generate electrical power, reducing engine complexity and improving transient performance.

Segmented impingement plenum design eliminates welding complexity while maintaining high-temperature cooling reliability.

Radially eccentric third connection limits radial actuator displacement to prevent buckling, reducing thrust reverser mass and drag.

External auxiliary camera calibrates onboard sensor data against zero-load marker positions to resolve calibration complexity in torsion measurement.

A reservoir structure uses a deformable pressurizing wall and rigid depressurizing wall to store energy via hydrostatic pressure.

A secondary oil pump supplies oil to journal bearings during windmilling, while a dynamic brake prevents fan rotation on the ground.